806 lines
22 KiB
C++
806 lines
22 KiB
C++
#include "VTUtils.hpp"
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#include "CKStateChunk.hpp"
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#include "CKMinContext.hpp"
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#include "CKFile.hpp"
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namespace LibCmo::CK2 {
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#pragma region Ctor Dtor
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//CKStateChunk::CKStateChunk() :
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// m_ClassId(CK_CLASSID::CKCID_OBJECT), m_DataDwSize(0u), m_pData(nullptr),
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// m_DataVersion(CK_STATECHUNK_DATAVERSION::CHUNKDATA_CURRENTVERSION), m_ChunkVersion(CK_STATECHUNK_CHUNKVERSION::CHUNK_VERSION4),
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// m_Parser{ CKStateChunkStatus::IDLE, 0u, 0u, 0u },
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// m_ObjectList(), m_ChunkList(), m_ManagerList(),
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// m_BindDoc(nullptr), m_BindContext(nullptr)
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//{
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// ;
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//}
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CKStateChunk::CKStateChunk(CKFileDocument* doc, CKMinContext* ctx) :
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m_ClassId(CK_CLASSID::CKCID_OBJECT), m_DataDwSize(0u), m_pData(nullptr),
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m_DataVersion(CK_STATECHUNK_DATAVERSION::CHUNKDATA_CURRENTVERSION), m_ChunkVersion(CK_STATECHUNK_CHUNKVERSION::CHUNK_VERSION4),
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m_Parser{ CKStateChunkStatus::IDLE, 0u, 0u, 0u },
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m_ObjectList(), m_ChunkList(), m_ManagerList(),
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m_BindDoc(doc), m_BindContext(ctx)
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{
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;
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}
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CKStateChunk::CKStateChunk(const CKStateChunk& rhs) :
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m_ClassId(rhs.m_ClassId), m_DataVersion(rhs.m_DataVersion), m_ChunkVersion(rhs.m_ChunkVersion),
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m_Parser(rhs.m_Parser),
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m_ObjectList(rhs.m_ObjectList), m_ManagerList(rhs.m_ManagerList), m_ChunkList(rhs.m_ChunkList),
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m_pData(nullptr), m_DataDwSize(rhs.m_DataDwSize),
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m_BindDoc(rhs.m_BindDoc), m_BindContext(rhs.m_BindContext) {
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// copy buffer
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if (rhs.m_pData != nullptr) {
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this->m_pData = new(std::nothrow) CKDWORD[rhs.m_DataDwSize];
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if (this->m_pData != nullptr) {
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std::memcpy(this->m_pData, rhs.m_pData, sizeof(CKDWORD) * rhs.m_DataDwSize);
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}
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}
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}
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CKStateChunk& CKStateChunk::operator=(const CKStateChunk& rhs) {
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this->Clear();
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this->m_DataVersion = rhs.m_DataVersion;
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this->m_ChunkVersion = rhs.m_ChunkVersion;
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this->m_ClassId = rhs.m_ClassId;
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this->m_Parser = rhs.m_Parser;
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this->m_ObjectList = rhs.m_ObjectList;
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this->m_ManagerList = rhs.m_ManagerList;
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this->m_ChunkList = rhs.m_ChunkList;
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this->m_BindDoc = rhs.m_BindDoc;
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this->m_BindContext = rhs.m_BindContext;
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// copy buffer
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if (rhs.m_pData != nullptr) {
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this->m_pData = new(std::nothrow) CKDWORD[rhs.m_DataDwSize];
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if (this->m_pData != nullptr) {
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std::memcpy(this->m_pData, rhs.m_pData, sizeof(CKDWORD) * rhs.m_DataDwSize);
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}
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}
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this->m_DataDwSize = rhs.m_DataDwSize;
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return *this;
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}
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CKStateChunk::~CKStateChunk() {
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if (this->m_pData != nullptr)
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delete[] this->m_pData;
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}
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#pragma endregion
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#pragma region Misc Funcs
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void CKStateChunk::Clear(void) {
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this->m_ClassId = CK_CLASSID::CKCID_OBJECT;
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this->m_DataVersion = CK_STATECHUNK_DATAVERSION::CHUNK_DEV_2_1;
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this->m_ChunkVersion = CK_STATECHUNK_CHUNKVERSION::CHUNK_VERSION4;
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this->m_Parser.m_CurrentPos = 0;
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this->m_Parser.m_DataSize = 0;
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this->m_Parser.m_PrevIdentifierPos = 0;
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this->m_DataDwSize = 0;
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if (this->m_pData != nullptr) {
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delete[] this->m_pData;
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this->m_pData = nullptr;
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}
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this->m_ObjectList.clear();
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this->m_ManagerList.clear();
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this->m_ChunkList.clear();
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}
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CKDWORD CKStateChunk::GetDataSize(void) {
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return sizeof(CKDWORD) * this->m_DataDwSize;
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}
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CK_STATECHUNK_DATAVERSION CKStateChunk::GetDataVersion() {
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return this->m_DataVersion;
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}
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void CKStateChunk::SetDataVersion(CK_STATECHUNK_DATAVERSION version) {
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this->m_DataVersion = version;
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}
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void CKStateChunk::DeleteBuffer(void* buf) {
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if (buf == nullptr) return;
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delete[] reinterpret_cast<char*>(buf);
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}
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bool CKStateChunk::Skip(CKDWORD DwordCount) {
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bool result;
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switch (this->m_Parser.m_Status) {
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case CKStateChunkStatus::READ:
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result = EnsureReadSpace(DwordCount);
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break;
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case CKStateChunkStatus::WRITE:
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result = EnsureWriteSpace(DwordCount);
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break;
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case CKStateChunkStatus::IDLE:
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default:
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result = false;
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break;
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}
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// if success, move cursor
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if (result) {
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this->m_Parser.m_CurrentPos += DwordCount;
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}
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return result;
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}
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size_t CKStateChunk::GetCeilDwordSize(size_t char_size) {
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return (char_size + 3) >> 2;
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}
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bool CKStateChunk::ResizeBuffer(CKDWORD new_dwsize) {
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if (new_dwsize == 0u) {
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// if reuqired size is zero, we just delete it
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if (this->m_pData != nullptr) {
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delete[] this->m_pData;
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this->m_pData = nullptr;
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}
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} else {
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// otherwise, we create a new buffer instead it
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CKDWORD* newbuf = new(std::nothrow) CKDWORD[new_dwsize];
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if (newbuf == nullptr) return false; // if fail to create, return
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// if no original data, we do not need copy it and free it
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if (this->m_pData != nullptr) {
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std::memcpy(newbuf, this->m_pData, sizeof(CKDWORD) * new_dwsize);
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delete[] this->m_pData;
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}
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// assign new buffer
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this->m_pData = newbuf;
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}
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return true;
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}
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bool CKStateChunk::EnsureWriteSpace(CKDWORD dwsize) {
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if (this->m_Parser.m_Status != CKStateChunkStatus::WRITE) return false;
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// check whether need enlarge
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CKDWORD needed = dwsize + this->m_Parser.m_CurrentPos;
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if (needed > this->m_Parser.m_DataSize) {
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// add a very enough space to buffer
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if (dwsize < 512) dwsize = 512;
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needed = dwsize + this->m_Parser.m_CurrentPos;
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// try resizing it
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if (!this->ResizeBuffer(needed)) return false;
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// update size
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this->m_Parser.m_DataSize = needed;
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}
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return true;
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}
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bool CKStateChunk::EnsureReadSpace(CKDWORD dword_required) {
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return (m_Parser.m_Status == CKStateChunkStatus::READ) &&
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(this->m_Parser.m_CurrentPos + dword_required <= this->m_Parser.m_DataSize);
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}
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#pragma endregion
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#pragma region Buffer Related
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bool CKStateChunk::ConvertFromBuffer(const void* buf) {
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if (buf == nullptr) return false;
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// read chunk ver and data ver first
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// chunk ver always set in the 3rd BYTE in every format
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this->m_ChunkVersion = static_cast<CK_STATECHUNK_CHUNKVERSION>(
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reinterpret_cast<const char*>(buf)[2]
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);
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// data ver always set in the 1st BYTE in every format
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this->m_DataVersion = static_cast<CK_STATECHUNK_DATAVERSION>(
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reinterpret_cast<const char*>(buf)[0]
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);
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// switch according to chunk ver
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const CKDWORD* dwbuf = reinterpret_cast<const CKDWORD*>(buf);
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size_t bufpos = 0u;
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if (this->m_ChunkVersion < CK_STATECHUNK_CHUNKVERSION::CHUNK_VERSION2) {
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// very old file
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this->m_ClassId = static_cast<CK_CLASSID>(dwbuf[1]);
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this->m_DataDwSize = dwbuf[2];
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this->m_ObjectList.resize(dwbuf[4]);
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this->m_ChunkList.resize(dwbuf[5]);
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bufpos = 6u;
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if (this->m_DataDwSize != 0) {
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this->m_pData = new(std::nothrow) CKDWORD[this->m_DataDwSize];
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if (m_pData == nullptr) return false;
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std::memcpy(this->m_pData, dwbuf + bufpos, sizeof(CKDWORD) * this->m_DataDwSize);
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bufpos += this->m_DataDwSize;
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}
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if (!this->m_ObjectList.empty()) {
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std::memcpy(this->m_ObjectList.data(), dwbuf + bufpos, sizeof(CKDWORD) * this->m_ObjectList.size());
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bufpos += this->m_ObjectList.size();
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}
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if (!this->m_ChunkList.empty()) {
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std::memcpy(this->m_ChunkList.data(), dwbuf + bufpos, sizeof(CKDWORD) * this->m_ChunkList.size());
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bufpos += this->m_ChunkList.size();
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}
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} else if (this->m_ChunkVersion == CK_STATECHUNK_CHUNKVERSION::CHUNK_VERSION2) {
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// medium ver file
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this->m_ClassId = static_cast<CK_CLASSID>(dwbuf[1]);
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this->m_DataDwSize = dwbuf[2];
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this->m_ObjectList.resize(dwbuf[4]);
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this->m_ChunkList.resize(dwbuf[5]);
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this->m_ManagerList.resize(dwbuf[6]);
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bufpos = 7u;
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if (this->m_DataDwSize != 0) {
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this->m_pData = new(std::nothrow) CKDWORD[this->m_DataDwSize];
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if (m_pData == nullptr) return false;
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std::memcpy(this->m_pData, dwbuf + bufpos, sizeof(CKDWORD) * this->m_DataDwSize);
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bufpos += this->m_DataDwSize;
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}
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if (!this->m_ObjectList.empty()) {
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std::memcpy(this->m_ObjectList.data(), dwbuf + bufpos, sizeof(CKDWORD) * this->m_ObjectList.size());
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bufpos += this->m_ObjectList.size();
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}
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if (!this->m_ChunkList.empty()) {
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std::memcpy(this->m_ChunkList.data(), dwbuf + bufpos, sizeof(CKDWORD) * this->m_ChunkList.size());
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bufpos += this->m_ChunkList.size();
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}
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if (!this->m_ManagerList.empty()) {
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std::memcpy(this->m_ManagerList.data(), dwbuf + bufpos, sizeof(CKDWORD) * this->m_ManagerList.size());
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bufpos += this->m_ManagerList.size();
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}
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} else if (this->m_ChunkVersion <= CK_STATECHUNK_CHUNKVERSION::CHUNK_VERSION4) {
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// the latest file
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// re-read some extra data
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// class id located the 2nd BYTE
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this->m_ClassId = static_cast<CK_CLASSID>(
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reinterpret_cast<const char*>(buf)[1]
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);
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// options located the 4th BYTE
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CK_STATECHUNK_CHUNKOPTIONS options = static_cast<CK_STATECHUNK_CHUNKOPTIONS>(
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reinterpret_cast<const char*>(buf)[3]
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);
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// read normal data
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this->m_DataDwSize = dwbuf[1];
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bufpos = 2u;
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if (this->m_DataDwSize != 0) {
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this->m_pData = new(std::nothrow) CKDWORD[this->m_DataDwSize];
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if (m_pData == nullptr) return false;
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std::memcpy(this->m_pData, dwbuf + bufpos, sizeof(CKDWORD) * this->m_DataDwSize);
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bufpos += this->m_DataDwSize;
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}
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if (EnumsHelper::FlagEnumHas(options, CK_STATECHUNK_CHUNKOPTIONS::CHNK_OPTION_FILE)) {
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// MARK: set ckfile = nullptr;
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;
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}
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if (EnumsHelper::FlagEnumHas(options, CK_STATECHUNK_CHUNKOPTIONS::CHNK_OPTION_IDS)) {
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this->m_ObjectList.resize(dwbuf[bufpos]);
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bufpos += 1u;
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std::memcpy(this->m_ObjectList.data(), dwbuf + bufpos, sizeof(CKDWORD) * this->m_ObjectList.size());
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bufpos += this->m_ObjectList.size();
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}
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if (EnumsHelper::FlagEnumHas(options, CK_STATECHUNK_CHUNKOPTIONS::CHNK_OPTION_CHN)) {
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this->m_ChunkList.resize(dwbuf[bufpos]);
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bufpos += 1u;
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std::memcpy(this->m_ChunkList.data(), dwbuf + bufpos, sizeof(CKDWORD) * this->m_ChunkList.size());
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bufpos += this->m_ChunkList.size();
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}
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if (EnumsHelper::FlagEnumHas(options, CK_STATECHUNK_CHUNKOPTIONS::CHNK_OPTION_MAN)) {
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this->m_ManagerList.resize(dwbuf[bufpos]);
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bufpos += 1u;
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std::memcpy(this->m_ManagerList.data(), dwbuf + bufpos, sizeof(CKDWORD) * this->m_ManagerList.size());
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bufpos += this->m_ManagerList.size();
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}
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} else {
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// too new. can not read, skip
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;
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}
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return true;
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}
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CKDWORD CKStateChunk::ConvertToBuffer(void* buf) {
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return 0u;
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}
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#pragma endregion
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//bool CKStateChunk::UnPack(CKDWORD DestSize) {
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// // NOTE: in UnPack. pData store the compressed buffer, and
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// // dwSize store the length of compressed buffer as CHAR size, not DWORD size!
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// // create a enough buffer
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// char* buffer = new(std::nothrow) char[DestSize];
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// if (buffer == nullptr) return false;
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// uLongf destSize = DestSize;
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// // uncompress it
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// auto err = uncompress(
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// reinterpret_cast<Bytef*>(buffer), &destSize,
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// reinterpret_cast<const Bytef*>(this->m_pData), static_cast<uLong>(this->m_DataDwSize)
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// );
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// // if no error, assign data
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// if (err == Z_OK) {
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// // get dw size and copy it to remove useless blank data
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// this->m_DataDwSize = static_cast<CKDWORD>(destSize) / sizeof(CKDWORD);
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// delete[] this->m_pData;
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// this->m_pData = nullptr;
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// this->m_pData = new(std::nothrow) CKDWORD[this->m_DataDwSize];
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// if (this->m_pData != nullptr) {
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// std::memcpy(this->m_pData, buffer, this->m_DataDwSize * sizeof(CKDWORD));
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// }
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// }
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// delete[] buffer;
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// return true;
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//}
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#pragma region Read Functions
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void CKStateChunk::StartRead(void) {
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if (this->m_Parser.m_Status != CKStateChunkStatus::IDLE) return;
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this->m_Parser.m_CurrentPos = 0u;
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this->m_Parser.m_DataSize = this->m_DataDwSize;
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this->m_Parser.m_PrevIdentifierPos = 0u;
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this->m_Parser.m_Status = CKStateChunkStatus::READ;
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}
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void CKStateChunk::StopRead(void) {
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if (this->m_Parser.m_Status != CKStateChunkStatus::READ) return;
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this->m_Parser.m_CurrentPos = 0u;
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this->m_Parser.m_DataSize = this->m_DataDwSize;
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this->m_Parser.m_PrevIdentifierPos = 0u;
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this->m_Parser.m_Status = CKStateChunkStatus::IDLE;
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}
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/* ========== Identifier Functions ==========*/
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bool CKStateChunk::SeekIdentifierDword(CKDWORD identifier) {
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CKDWORD cache;
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return SeekIdentifierDwordAndReturnSize(identifier, &cache);
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}
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bool CKStateChunk::SeekIdentifierDwordAndReturnSize(CKDWORD identifier, CKDWORD* out_size) {
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if (this->m_Parser.m_Status != CKStateChunkStatus::READ) return false;
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CKDWORD pos = 0u;
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if (this->m_DataDwSize < 2) return false; // impossible to have a identifier
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// search identifier
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while (this->m_pData[pos] != identifier) {
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pos = this->m_pData[pos + 1];
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if (pos == 0u) return false; // got tail. no more identifier
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if (pos + 1 >= this->m_DataDwSize) return false; // out of buffer
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}
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// got identifier
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this->m_Parser.m_PrevIdentifierPos = pos;
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this->m_Parser.m_CurrentPos = pos + 2;
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// calc size
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CKDWORD nextptr = this->m_pData[pos + 1];
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if (nextptr == 0) {
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// the last identifier, use chunk size instead
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nextptr = this->m_DataDwSize;
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}
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*out_size = sizeof(CKDWORD) * (nextptr - pos);
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return true;
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}
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/* ========== Basic Data Read Functions ==========*/
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bool CKStateChunk::ReadByteData(void* data_ptr, CKDWORD size_in_byte) {
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if (this->m_Parser.m_Status != CKStateChunkStatus::READ) return false;
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if (data_ptr == nullptr) return false;
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CKDWORD size_in_dword = this->GetCeilDwordSize(size_in_byte);
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if (this->EnsureReadSpace(size_in_dword)) {
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std::memcpy(data_ptr, this->m_pData + this->m_Parser.m_CurrentPos, size_in_byte);
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return true;
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} else {
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// failed, report to context
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m_BindContext->Printf("CKStateChunk read length error at %" PRICKdword ".", this->m_Parser.m_CurrentPos);
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return false;
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}
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}
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bool CKStateChunk::ReadString(std::string* strl) {
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if (strl == nullptr) return false;
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// get byte based size
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CKDWORD strByteSize = 0u;
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if (!this->ReadStruct(strByteSize)) {
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strl->clear();
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return false;
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}
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// read data
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strl->resize(strByteSize);
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if (!this->ReadByteData(strl->data(), strByteSize)) {
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strl->clear();
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return false;
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}
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return true;
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}
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/* ========== Complex Data Read Functions ==========*/
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bool CKStateChunk::ReadObjectID(CK_ID* id) {
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if (id == nullptr) return false;
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// get basic value
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CKINT gotten_id = 0;
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if (!this->ReadStruct(gotten_id)) return false;
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// different strategy according to chunk ver
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if (this->m_ChunkVersion >= CK_STATECHUNK_CHUNKVERSION::CHUNK_VERSION1) {
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// new file
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// if no doc associated, return directly
|
|
if (this->m_BindDoc == nullptr) {
|
|
*id = static_cast<CK_ID>(gotten_id);
|
|
return true;
|
|
}
|
|
// if it is positive, return corresponding value
|
|
if (gotten_id >= 0) {
|
|
*id = this->m_BindDoc->m_FileObjects[gotten_id].CreatedObject;
|
|
return true;
|
|
}
|
|
|
|
} else {
|
|
// old file
|
|
// i don't know why I need skip 2 DWORD
|
|
// just copy IDA code.
|
|
|
|
if (gotten_id) {
|
|
this->Skip(2);
|
|
return this->ReadStruct(id);
|
|
}
|
|
}
|
|
|
|
// all failed
|
|
*id = 0u;
|
|
return false;
|
|
}
|
|
|
|
bool CKStateChunk::ReadManagerInt(CKGUID* guid, CKINT* intval) {
|
|
if (guid == nullptr || intval == nullptr) return false;
|
|
|
|
// read guid first
|
|
if (!this->ReadStruct(guid)) return false;
|
|
// then read int value
|
|
if (!this->ReadStruct(intval)) return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
CKStateChunk* CKStateChunk::ReadSubChunk(void) {
|
|
CKStateChunk* subchunk = nullptr;
|
|
|
|
// get size and do a enough space check
|
|
CKDWORD subChunkSize;
|
|
if (!this->ReadStruct(subChunkSize)) goto subchunk_defer;
|
|
if (!this->EnsureReadSpace(subChunkSize)) goto subchunk_defer;
|
|
|
|
// create statechunk
|
|
subchunk = new(std::nothrow) CKStateChunk(this->m_BindDoc, this->m_BindContext);
|
|
if (subchunk == nullptr) goto subchunk_defer;
|
|
|
|
// start read data
|
|
// read class id
|
|
if (!this->ReadStruct(subchunk->m_ClassId)) goto subchunk_defer;
|
|
|
|
// different read strategy by chunk version
|
|
if (this->m_ChunkVersion >= CK_STATECHUNK_CHUNKVERSION::CHUNK_VERSION1) {
|
|
// new file
|
|
|
|
// read combined version
|
|
CKDWORD versionInfo;
|
|
if (!this->ReadStruct(versionInfo)) goto subchunk_defer;
|
|
subchunk->m_DataVersion = static_cast<CK_STATECHUNK_DATAVERSION>(versionInfo & 0xffff);
|
|
subchunk->m_ChunkVersion = static_cast<CK_STATECHUNK_CHUNKVERSION>((versionInfo >> 16) & 0xffff);
|
|
|
|
// read data size and create it
|
|
if (!this->ReadStruct(subchunk->m_DataDwSize)) goto subchunk_defer;
|
|
subchunk->m_pData = new(std::nothrow) CKDWORD[subchunk->m_DataDwSize];
|
|
if (subchunk->m_pData == nullptr) goto subchunk_defer;
|
|
|
|
// has bind file?
|
|
CKDWORD hasBindFile;
|
|
if (!this->ReadStruct(hasBindFile)) goto subchunk_defer;
|
|
if (hasBindFile == 1) subchunk->m_BindDoc = nullptr;
|
|
|
|
// 3 list size
|
|
// manager only existed when ver > 4
|
|
CKDWORD lssize;
|
|
if (!this->ReadStruct(lssize)) goto subchunk_defer;
|
|
subchunk->m_ObjectList.resize(lssize);
|
|
if (!this->ReadStruct(lssize)) goto subchunk_defer;
|
|
subchunk->m_ChunkList.resize(lssize);
|
|
if (this->m_ChunkVersion > CK_STATECHUNK_CHUNKVERSION::CHUNK_VERSION1) {
|
|
if (!this->ReadStruct(lssize)) goto subchunk_defer;
|
|
subchunk->m_ManagerList.resize(lssize);
|
|
}
|
|
|
|
// core data
|
|
if (subchunk->m_DataDwSize != 0) {
|
|
if (!this->ReadByteData(subchunk->m_pData, subchunk->m_DataDwSize * sizeof(CKDWORD))) goto subchunk_defer;
|
|
}
|
|
|
|
// 3 list data
|
|
if (!subchunk->m_ObjectList.empty()) {
|
|
if (!this->ReadByteData(
|
|
subchunk->m_ObjectList.data(),
|
|
subchunk->m_ObjectList.size() * sizeof(CKDWORD)
|
|
)) goto subchunk_defer;
|
|
}
|
|
if (!subchunk->m_ChunkList.empty()) {
|
|
if (!this->ReadByteData(
|
|
subchunk->m_ChunkList.data(),
|
|
subchunk->m_ChunkList.size() * sizeof(CKDWORD)
|
|
)) goto subchunk_defer;
|
|
}
|
|
if (!subchunk->m_ManagerList.empty()) {
|
|
if (!this->ReadByteData(
|
|
subchunk->m_ManagerList.data(),
|
|
subchunk->m_ManagerList.size() * sizeof(CKDWORD)
|
|
)) goto subchunk_defer;
|
|
}
|
|
|
|
} else {
|
|
// old file
|
|
|
|
// read data size and create it
|
|
if (!this->ReadStruct(subchunk->m_DataDwSize)) goto subchunk_defer;
|
|
subchunk->m_pData = new(std::nothrow) CKDWORD[subchunk->m_DataDwSize];
|
|
if (subchunk->m_pData == nullptr) goto subchunk_defer;
|
|
|
|
// skip one?
|
|
// I don't know why
|
|
this->Skip(1u);
|
|
|
|
// read core buf
|
|
if (!this->ReadByteData(subchunk->m_pData, subchunk->m_DataDwSize * sizeof(CKDWORD))) goto subchunk_defer;
|
|
|
|
}
|
|
|
|
return subchunk;
|
|
subchunk_defer:
|
|
if (subchunk != nullptr) delete subchunk;
|
|
return nullptr;
|
|
}
|
|
|
|
/* ========== Buffer Functions ==========*/
|
|
|
|
bool CKStateChunk::ReadNoSizeBuffer(CKDWORD size_in_byte, void* allocatedBuf) {
|
|
if (allocatedBuf == nullptr) return false;
|
|
return this->ReadByteData(allocatedBuf, size_in_byte);
|
|
}
|
|
|
|
bool CKStateChunk::ReadBuffer(void** buf, CKDWORD* len_in_byte) {
|
|
if (buf == nullptr || len_in_byte == nullptr) return false;
|
|
|
|
// get buffer size.
|
|
CKDWORD bufByteSize = 0u;
|
|
if (!this->ReadStruct(bufByteSize)) {
|
|
*buf = nullptr;
|
|
*len_in_byte = 0;
|
|
return false;
|
|
}
|
|
*len_in_byte = bufByteSize;
|
|
|
|
// create buffer
|
|
*buf = new(std::nothrow) char[bufByteSize];
|
|
if (*buf == nullptr) {
|
|
*len_in_byte = 0;
|
|
return false;
|
|
}
|
|
|
|
// read data
|
|
if (!this->ReadByteData(*buf, bufByteSize)) {
|
|
this->DeleteBuffer(*buf);
|
|
*buf = nullptr;
|
|
*len_in_byte = 0;
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/* ========== Sequence Functions ==========*/
|
|
|
|
bool CKStateChunk::ReadObjectIDSequence(std::vector<CK_ID>* ls) {
|
|
if (ls == nullptr) return false;
|
|
ls->clear();
|
|
|
|
// read count
|
|
CKDWORD count;
|
|
if (!this->ReadStruct(count)) return false;
|
|
|
|
// resize list and read it
|
|
ls->resize(count);
|
|
for (size_t i = 0; i < count; ++i) {
|
|
if (!this->ReadObjectID(ls->data() + i)) {
|
|
ls->clear();
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CKStateChunk::ReadManagerIntSequence(CKGUID* guid, std::vector<CKINT>* ls) {
|
|
if (guid == nullptr || ls == nullptr) return false;
|
|
|
|
// read count
|
|
CKDWORD count;
|
|
if (!this->ReadStruct(count)) return false;
|
|
|
|
// read guid
|
|
if (!this->ReadStruct(guid)) return false;
|
|
|
|
// resize list and read it
|
|
ls->resize(count);
|
|
for (size_t i = 0; i < count; ++i) {
|
|
if (!this->ReadStruct(ls->data() + i)) {
|
|
ls->clear();
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CKStateChunk::ReadSubChunkSequence(std::vector<CKStateChunk*>* ls) {
|
|
if (ls == nullptr) return false;
|
|
|
|
// clear first
|
|
for (auto& item : *ls) {
|
|
if (item != nullptr)
|
|
delete (item);
|
|
}
|
|
ls->clear();
|
|
|
|
// read count
|
|
CKDWORD count;
|
|
if (!this->ReadStruct(count)) return false;
|
|
|
|
// resize list and read it
|
|
ls->resize(count, nullptr);
|
|
for (size_t i = 0; i < count; ++i) {
|
|
(*ls)[i] = this->ReadSubChunk();
|
|
if ((*ls)[i] == nullptr) {
|
|
// fail. remove all created statechunk and clear it
|
|
for (auto& item : *ls) {
|
|
if (item != nullptr)
|
|
delete (item);
|
|
}
|
|
ls->clear();
|
|
// return
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CKStateChunk::ReadObjectArray(std::vector<CK_ID>* ls) {
|
|
if (ls == nullptr) return false;
|
|
ls->clear();
|
|
|
|
// read count
|
|
CKDWORD count;
|
|
if (!this->ReadStruct(count)) return false;
|
|
if (!count) return true; // 0 size array
|
|
|
|
// old file size correction
|
|
if (this->m_ChunkVersion < CK_STATECHUNK_CHUNKVERSION::CHUNK_VERSION1) {
|
|
// skip 4. but I don't know why!!!
|
|
this->Skip(4);
|
|
if (!this->ReadStruct(count)) return false;
|
|
}
|
|
|
|
// resize list and read
|
|
ls->resize(count);
|
|
for (auto& id : *ls) {
|
|
// read ID first
|
|
CKINT cache;
|
|
if (!this->ReadStruct(cache)) {
|
|
ls->clear();
|
|
return false;
|
|
}
|
|
|
|
// remap id
|
|
if (this->m_BindDoc != nullptr) {
|
|
if (cache < 0) {
|
|
id = 0u;
|
|
} else {
|
|
id = this->m_BindDoc->m_FileObjects[cache].CreatedObject;
|
|
}
|
|
} else {
|
|
id = static_cast<CK_ID>(cache);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
#pragma endregion
|
|
|
|
|
|
#pragma region Write Functions
|
|
|
|
void CKStateChunk::StartWrite() {
|
|
if (this->m_Parser.m_Status != CKStateChunkStatus::IDLE) return;
|
|
|
|
// delete all current buffer
|
|
if (this->m_pData != nullptr) {
|
|
delete[] this->m_pData;
|
|
this->m_pData = nullptr;
|
|
}
|
|
this->m_DataDwSize = 0u;
|
|
|
|
// reset parser
|
|
this->m_Parser.m_CurrentPos = 0u;
|
|
this->m_Parser.m_DataSize = this->m_DataDwSize;
|
|
this->m_Parser.m_PrevIdentifierPos = 0u;
|
|
|
|
// force chunk version
|
|
this->m_ChunkVersion = CK_STATECHUNK_CHUNKVERSION::CHUNK_VERSION4;
|
|
|
|
// switch status
|
|
this->m_Parser.m_Status = CKStateChunkStatus::WRITE;
|
|
}
|
|
|
|
void CKStateChunk::StopWrite(void) {
|
|
if (this->m_Parser.m_Status != CKStateChunkStatus::WRITE) return;
|
|
|
|
// update buffer size
|
|
this->m_DataDwSize = this->m_Parser.m_CurrentPos;
|
|
// shrink it
|
|
ResizeBuffer(this->m_DataDwSize);
|
|
|
|
// shrink 3 vector also
|
|
this->m_ObjectList.shrink_to_fit();
|
|
this->m_ManagerList.shrink_to_fit();
|
|
this->m_ChunkList.shrink_to_fit();
|
|
|
|
// reset parser
|
|
this->m_Parser.m_CurrentPos = 0u;
|
|
this->m_Parser.m_DataSize = this->m_DataDwSize;
|
|
this->m_Parser.m_PrevIdentifierPos = 0u;
|
|
this->m_Parser.m_Status = CKStateChunkStatus::IDLE;
|
|
}
|
|
|
|
#pragma endregion
|
|
|
|
|
|
}
|